[Xen-devel] [PATCH] libxencall: Make bufdev/nobufdev mmap error messages distinct

[Ian Jackson <ian.jackson@xxxxxxxxxxxxx>]

This assists diagnosis.

CC: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: Hans van Kranenburg <hans@xxxxxxxxxxx>
---
 tools/libs/call/linux.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/libs/call/linux.c b/tools/libs/call/linux.c
index d8a6306e04..bb56ff236e 100644
--- a/tools/libs/call/linux.c
+++ b/tools/libs/call/linux.c
@@ -93,7 +93,7 @@ static void *alloc_pages_bufdev(xencall_handle *xcall, size_t 
npages)
              xcall->buf_fd, 0);
     if ( p == MAP_FAILED )
     {
-        PERROR("alloc_pages: mmap failed");
+        PERROR("alloc_pages: mmap (bufdev) failed");
         p = NULL;
     }
 
@@ -110,7 +110,7 @@ static void *alloc_pages_nobufdev(xencall_handle *xcall, 
size_t npages)
     p = mmap(NULL, size, PROT_READ|PROT_WRITE, 
MAP_PRIVATE|MAP_ANONYMOUS|MAP_LOCKED, -1, 0);
     if ( p == MAP_FAILED )
     {
-        PERROR("alloc_pages: mmap failed");
+        PERROR("alloc_pages: mmap (nobufdev) failed");
         return NULL;
     }
 
@@ -119,7 +119,7 @@ static void *alloc_pages_nobufdev(xencall_handle *xcall, 
size_t npages)
     rc = madvise(p, npages * PAGE_SIZE, MADV_DONTFORK);
     if ( rc < 0 )
     {
-        PERROR("alloc_pages: madvise failed");
+        PERROR("alloc_pages: madvise (nobufdev) failed");
         goto out;
     }
 
-- 
2.11.0


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